1. Built-in Bluetooth-compatible V5.0 receiver module and supports mobile device Bluetooth-compatible connection. 2. Supports digital audio conversion to analog audio signals. 3. Built-in high-performance chip, supports 192K/24bit sampling rate. 4. Adopts the latest QCC3003 Bluetooth-compatible version 5.0 lossless transmission technology. 5. Adopts Bluetooth-compatible dedicated antenna for stable signal transmission.<br><br>6. Supports one optical and one coaxial input interface. 7. Supports one and one 3.5mm audio output interface. 8. Supports output volume adjustment. 9. Ultra low power consumption. Specifications: Input: Bluetooth-compatible, Coaxial, Toslink Ouput: R/L stereo, 3.5mm jack headphone Bluetooth-compatible version: V5.0 Bluetooth-compatible decoding mode: AAC, Bluetooth-compatible protocol: A2DP V1.3.1, AVRCP V1.6 ,HFP V1.7, V1.2 Bluetooth-compatible distance: 10M Optical/Coaxial input audio format: PCM / LPCM Optical/Coaxial input sampling rate: 32, 44.1, 48, 96 and 192KHz Headphone amplifying power: 125mW x2 @ 32Ω Suggest headphone eesistance range: 16-300Ω : 0.0003% Frequency response: 20Hz - 20KHZ SN (Signal to Noise Ratio): 120DB Operating Temperature: 0℃ to 70℃ Operating Humidity: 10% to 85% RH (no condensation) Storage Temperature: -10℃ to + 80℃ Storage Humidity: 5%to 90% RH (no condensation) Power Requirements: External Power Supply Via USB cable Power Consumption: Max=5W Colour:Black Material:Metal<br><br>Package Contents: 1 x 192KHz Converter 1 x usb cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.